Home / 1,929.37-2,659.74-1,265.07

Finding the Fourth Proportional to 1,929.37, 2,659.74 and 1,265.07

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Solution

The fourth proportional to 1,929.37, 2,659.74 and 1,265.07 is: 1,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.37 : 2,659.74 = 1,265.07 : x
  2. Step 2: Convert to fraction form
    1,929.37/2,659.74 = 1,265.07/x
  3. Step 3: Cross multiply
    1,929.37x = 2,659.74 × 1,265.07
  4. Step 4: Simplify right side
    1,929.37x = 3,364,742.56
  5. Step 5: Solve for x
    x = 3,364,742.56/1,929.37
  6. Step 6: Final answer
    x = 1,743.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.